Q$2$: Use the methods below to normalize the following group of data: $(10$ points$)$

$200,300,400,600,1000$

$($a$)$ min$-$max normalization by setting min$=0$ and max$=1$

$($b$)z-$score normalization

$($c$)z-$score normalization using the mean absolute deviation instead of standard deviation

$($d$)$ normalization by decimal scaling